Consumer evaluation of meat quality from barrows,immunocastrates and boars in six countries |
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| Authors: | M. Aluwé E. Heyrman E. Kostyra S. Żakowska-Biemans J. Almeida J. Citek M. Font-i-Furnols O. Moreira K. Zadinová L. Tudoreanu L. Lin-Schistra A. Van den Broeke |
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| Affiliation: | 1. Flanders Research Institute for Agriculture, Fisheries and Food (ILVO), Animal Sciences Unit, 9090 Melle, Belgium;2. Institute of Human Nutrition Sciences, Warsaw University of Life Sciences (WULS-SGGW), ul. Nowoursynowska 159c, 02-787 Warsaw, Poland;3. Instituto Nacional de Investigação Agrária e Veterinária (INIAV), Quinta da Fonte Boa, 2005-048 Vale de Santarém, Portugal;4. Department of Animal Science, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague (CZU), Kamycka 129, 16500 Prague, Czech Republic;5. Institute of Agrifood Research and Technology (IRTA), Product Quality and Technology Program, Finca Camps I Armet, 17121 Monells, Girona, Spain;6. Interdisciplinary Laboratory for Research on Heavy Metals Accumulation in the Food Chain and Modeling, University of Agronomic Sciences and Veterinary Medicine of Bucharest, 011464 Bucharest, Romania;7. Marketing and Consumer Behaviour Group, Wageningen University, Hollandseweg 1, 6706 KN Wageningen, the Netherlands |
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| Abstract: | The practice of surgical castration of piglets and its alternatives is still under debate. Production of boars may impair meat quality due to boar taint and reduced tenderness compared to meat from surgically castrated male pigs, while immunocastration reduces boar taint and may improve meat quality but seems to be less accepted by the pig chain. In this study, we aimed to evaluate the consumer’s sensory appreciation of meat from barrows (BAs), immunocastrates (ICs) and boars (BOs) in six European countries, taking into account the selection of tainted carcass and consumers’ appreciation of boar taint. Loin chops of 30 BAs, 30 ICs and 30 BOs were evaluated by 752 consumers in six countries: Belgium, Czech Republic, Poland, Portugal, Romania and Spain. Consumers rated odour, flavour, tenderness, juiciness, overall liking and willingness to buy and sensitivity to and liking of androstenone (AND) and liking of skatole (SKA) was also tested. In each of the six countries, consumers liked the odour of the BO samples less than that of BA, and IC intermediate. For flavour, tenderness, juiciness, overall liking and willingness to buy, liking scores given by the Czech, Polish and Portuguese consumers significantly differed between the BA, BO and IC. Willingness to buy was highest for BA by Czech and Polish consumers and for BA and IC by Portuguese consumers. The frequency of the negative check all terms that apply terms also differed, with a higher frequency of disgusting for BO compared to BA and IC and of off-flavour, irritating, manure, sweat, disappointing compared to BA, and intermediate for IC. 31% of the consumers disliked the odour of AND (NEGAND), and 36% of them were not sensitive; in contrast, 77% of the consumers disliked SKA (NEGSKA). The decrease in flavour liking score for BO compared to BA and IC was more outspoken by the NEGAND consumer, while NEGSKA consumers gave an overall lower liking score independent of the type of male pig. The results of this study indicate that IC can be a valid alternative for surgical castration. |
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| Keywords: | Boar taint Check-all-that-apply Liking Sensitivity Sensory profiling |
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